Agent Name

Polydimethylsiloxane rubber

CAS Number

63394-02-5

Major Category

Plastics & Rubber

Synonyms

Dow Corning 3-5000 cornstruction coating; Dow Corning 3110; Dow Corning 3112; Dow Corning 3120; Dow Corning 790; Dow Corning 795; Dow Corning 999; Polysilicone; Silastic; Silastic 1603; Silastic RTV 1890 protective sealer; Silastic silicone rubber; Silicone rubber; Sylgard 184 encapsulating resin; Sylgard 184 curing agent; [ChemIDplus] Siloprene K 1000; [Sigma-Aldrich MSDS]

Category

Polymers

Description

Colorless viscous liquid; [Sigma-Aldrich MSDS]

Sources/Uses

"Polymers of silicone that are formed by crosslinking and treatment with amorphous silica to increase strength. They have properties similar to vulcanized natural rubber, in that they stretch under tension, retract rapidly, and fully recover to their original dimensions upon release. They are used in the encapsulation of surgical membranes and implants." [ChemIDplus] Used in implants for plastic surgery, catheters, to encase electrode and pacemaker leads, and in prostheses; [NTP]

Comments

A mild skin and eye irritant; [RTECS] No statistically significant irritation or contact hypersensitivity observed in mice; [NTP] May cause irritation; [Sigma-Aldrich MSDS] See "Polydimethylsiloxane."

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